Bedgebury Pinetum and Westonbirt Arboretum are two of the outstanding tree collections in the world today. Jointly the collections display, to the public, over 4000 taxa. These are represented by some 25,000 numbered specimens. Of the 4000 taxa the National Arboreta list over 200 red data book and 150 champion trees. These plantings form a living herbarium where any person interested in woody plants, from around the world, can come to study them.